Scientist are examining a riverbed rock sample that is made of tiny bits of sand, rock, debris what type of rock have they found
a. igneous
b. metamorphic
c. basalt
d. sedimentary

Which factors add to the greenhouse effect and are caused by human activities?

[ou.01]which of these is the most likely use of an electromagnetic wave which has wavelength shorter than microwaves but longer than visible light? o heat food safely o neat food safely o take images of bones and teeth o transmit radio and cellular phone signals o take images of bones and teeth o transmit radio and cellular phone signals o detect the location of objects which emit heat

What was on result of the potato famine